Comment 3 for bug 666219

See:

[ 7.782268] intel ips 0000:00:1f.6: No CPUID match found.
[ 7.782281] BUG: unable to handle kernel NULL pointer dereference at 00000008
[ 7.782289] IP: [<f973c452>] ips_detect_cpu+0x62/0x180 [intel_ips]
[ 7.782300] *pde = b1910067
[ 7.782305] Oops: 0000 [#1] SMP
[ 7.782310] last sysfs file: /sys/devices/pci0000:00/0000:00:1a.0/usb1/bDeviceClass
[ 7.782315] Modules linked in: intel_ips(+) soundcore lp(+) snd_page_alloc lib80211 parport raid10 raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx raid1 raid0 multipath linear i915 usbhid drm_kms_helper hid usb_storage drm ahci intel_agp i2c_algo_bit libahci atl1c video agpgart output
[ 7.782357]
[ 7.782364] Pid: 636, comm: modprobe Tainted: P 2.6.35-22-generic #35-Ubuntu Base Board Product Name/Aspire One 753
[ 7.782369] EIP: 0060:[<f973c452>] EFLAGS: 00010286 CPU: 1
[ 7.782376] EIP is at ips_detect_cpu+0x62/0x180 [intel_ips]
[ 7.782380] EAX: 00580058 EBX: 00000000 ECX: 00580058 EDX: 00000000
[ 7.782384] ESI: f5f27e04 EDI: f5f72b80 EBP: f5f27e14 ESP: f5f27de4
[ 7.782388] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 7.782393] Process modprobe (pid: 636, ti=f5f26000 task=f5f28000 task.ti=f5f26000)
[ 7.782396] Stack:
[ 7.782399] f973defc f973de9e f719f6e0 f5f27e14 c020c441 f5f27e08 c05c79e9 f973ceef
[ 7.782409] <0> 00000000 f5f72b80 f71e8800 fffffff4 f5f27e4c f973cf2a c027165d f5f27e4c
[ 7.782419] <0> c0270c07 f5f27e4c c027100a f5f27e38 f71e8800 f71e8860 c036bb3e f71e8800
[ 7.782431] Call Trace:
[ 7.782447] [<c020c441>] ? kmem_cache_alloc_notrace+0x91/0xb0
[ 7.782457] [<c05c79e9>] ? mutex_lock+0x19/0x40
[ 7.782464] [<f973ceef>] ? ips_probe+0x1f/0x690 [intel_ips]
[ 7.782472] [<f973cf2a>] ? ips_probe+0x5a/0x690 [intel_ips]
[ 7.782481] [<c027165d>] ? sysfs_add_one+0x1d/0x110
[ 7.782487] [<c0270c07>] ? sysfs_new_dirent+0x67/0x100
[ 7.782493] [<c027100a>] ? sysfs_addrm_finish+0x1a/0xb0
[ 7.782503] [<c036bb3e>] ? pci_match_device+0xbe/0xd0
[ 7.782509] [<c036b9d3>] ? local_pci_probe+0x13/0x20
[ 7.782515] [<c036c988>] ? pci_device_probe+0x68/0x90
[ 7.782523] [<c0400540>] ? really_probe+0x50/0x150
[ 7.782529] [<c0407bb7>] ? pm_runtime_barrier+0x57/0xb0
[ 7.782535] [<c040067c>] ? driver_probe_device+0x3c/0x60
[ 7.782540] [<c0400721>] ? __driver_attach+0x81/0x90
[ 7.782546] [<c03ffb43>] ? bus_for_each_dev+0x53/0x80
[ 7.782551] [<c040040e>] ? driver_attach+0x1e/0x20
[ 7.782556] [<c04006a0>] ? __driver_attach+0x0/0x90
[ 7.782562] [<c03ffdd5>] ? bus_add_driver+0xd5/0x280
[ 7.782567] [<c036c8c0>] ? pci_device_remove+0x0/0x40
[ 7.782572] [<c0400a1a>] ? driver_register+0x6a/0x130
[ 7.782578] [<c036cbc5>] ? __pci_register_driver+0x45/0xb0
[ 7.782585] [<f9741017>] ? ips_init+0x17/0x19 [intel_ips]
[ 7.782592] [<c0101132>] ? do_one_initcall+0x32/0x1a0
[ 7.782599] [<f9741000>] ? ips_init+0x0/0x19 [intel_ips]
[ 7.782609] [<c0180c2b>] ? sys_init_module+0x9b/0x1e0
[ 7.782618] [<c0218fa2>] ? sys_write+0x42/0x70
[ 7.782624] [<c05c9114>] ? syscall_call+0x7/0xb
[ 7.782627] Code: fe 9e c6 90 ba f5 dd 73 f9 b8 0c 52 81 c0 e8 a6 d6 c1 c6 bb 80 e4 73 f9 85 c0 74 35 b8 ac 01 00 00 89 f2 e8 b1 fe 9e c6 90 89 c1 <8b> 53 08 c1 e1 12 c1 e9 15 69 c1 e8 03 00 00 39 c2 75 75 89 d8
[ 7.782687] EIP: [<f973c452>] ips_detect_cpu+0x62/0x180 [intel_ips] SS:ESP 0068:f5f27de4
[ 7.782696] CR2: 0000000000000008
[ 7.782701] ---[ end trace bf986243f528494d ]---